18213443325

Names of 18213443325

• Cardinal: 18213443325 can be written as Eighteen billion, two hundred thirteen million, four hundred forty-three thousand, three hundred twenty-five.

Scientific notation

• Scientific notation: 1.8213443325 × 10¹⁰

Factors of 18213443325

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 104

Divisors of 18213443325

• Number of divisors d(n): 540
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 27 33 35 37 41 45 49 55 63 75 77 81 99 105 111 121 123 135 147 165 175 185 189 205 225 231 245 259 275 287 297 315 333 363 369 385 405 407 441 451 495 525 539 555 567 605 615 675 693 735 777 825 847 861 891 925 945 999 1025 1089 1107 1155 1221 1225 1295 1323 1353 1435 1485 1517 1575 1617 1665 1813 1815 1845 1925 2009 2025 2035 2079 2205 2255 2331 2475 2541 2583 2695 2775 2835 2849 2997 3025 3075 3157 3267 3321 3465 3663 3675 3885 3969 4059 4235 4305 4455 4477 4551 4725 4851 4961 4995 5439 5445 5535 5775 5929 6027 6105 6237 6475 6615 6765 6993 7175 7425 7585 7623 7749 8085 8325 8547 9065 9075 9225 9471 9801 10045 10175 10395 10619 10989 11025 11275 11655 12177 12705 12915 13431 13475 13653 14175 14245 14553 14883 14985 15785 16317 16335 16605 16687 17325 17787 18081 18315 19425 19845 19943 20295 20979 21175 21525 22099 22275 22385 22755 22869 23247 24255 24805 24975 25641 27195 27225 27675 28413 29645 30135 30525 31185 31339 31857 32967 33075 33825 34727 34965 36531 37925 38115 38745 40293 40425 40959 42735 43659 44649 45325 47355 48951 49005 50061 50225 51975 53095 53361 54243 54945 58275 59829 60885 63525 64575 66297 67155 68265 68607 71225 72765 74333 74415 74925 76923 78925 81585 81675 83025 83435 85239 88935 90405 91575 94017 95571 99225 99715 101475 104181 104895 110495 111925 113775 114345 116235 116809 120879 121275 122877 124025 128205 133947 135975 142065 146853 148225 150183 150675 155925 156695 159285 160083 162729 164835 173635 174825 179487 182655 183557 190575 193725 198891 201465 204795 213675 218295 219373 222999 223245 230769 236775 243089 244755 245025 250305 255717 265475 266805 271215 274725 282051 286713 299145 304425 312543 331485 335775 341325 343035 350427 362637 363825 371665 372075 384615 401841 407925 417175 426195 444675 450549 452025 470085 477855 480249 498575 520905 524475 538461 550671 552475 571725 581175 584045 596673 604395 614385 641025 658119 668997 669735 710325 729267 734265 750915 783475 796425 800415 813645 817663 824175 846153 860139 868175 897435 913275 917785 937629 994455 1007325 1023975 1051281 1091475 1096865 1114995 1116225 1153845 1215445 1223775 1251525 1278585 1284899 1334025 1351647 1356075 1410255 1433565 1495725 1562715 1615383 1652013 1657425 1715175 1752135 1790019 1813185 1858325 1923075 1974357 2006991 2009205 2130975 2187801 2252745 2350425 2389275 2401245 2452989 2538459 2604525 2692305 2753355 2812887 2920225 2983365 3021975 3071925 3153843 3290595 3344985 3348675 3646335 3671325 3754575 3854697 4002075 4068225 4088315 4230765 4300695 4487175 4588925 4688145 4956039 4972275 5256405 5484325 5574975 5769225 5923071 6020973 6077225 6392925 6424495 6563403 6758235 7051275 7167825 7358967 7813575 8076915 8260065 8760675 8950095 8994293 9065925 9461529 9871785 10034955 10046025 10939005 11263725 11564091 12006225 12264945 12692295 13461525 13766775 14064435 14868117 14916825 15769215 16452975 16724925 17769213 18231675 19273485 19690209 20441575 21153825 21503475 22076901 23440725 24780195 26282025 26982879 29615355 30104865 32122475 32817015 33791175 34692273 36794835 40384575 41300325 44750475 44971465 47307645 49358925 50174775 54695025 57820455 61324725 63461475 66230703 70322175 74340585 78846075 80948637 88846065 96367425 98451045 104076819 110384505 123900975 134914395 148076775 150524325 164085075 173461365 183974175 224857325 236538225 242845911 289102275 331153515 371702925 404743185 444230325 492255225 520384095 551922525 674571975 728537733 867306825 1214229555 1655767575 2023715925 2601920475 3642688665 6071147775 18213443325
• Sum of all divisors σ(n): 45384384276
• Sum of proper divisors (its aliquot sum) s(n): 27170940951
• 18213443325 is an abundant number, because the sum of its proper divisors (27170940951) is greater than itself. Its abundance is 8957497626

Bases of 18213443325

• Binary: 10000111101100110110001011011111101₂
• Hexadecimal: 0x43D9B16FD
• Base-36: 8D7TAT9

Squares and roots of 18213443325

• 18213443325 squared (18213443325²) is 331729517752987055625
• 18213443325 cubed (18213443325³) is 6041936770823611087084559953125
• The square root of 18213443325 is 134957.1907124625
• The cube root of 18213443325 is 2631.0596011353

Scales and comparisons

• 18,213,443,325 seconds is equal to 579 years, 6 weeks, 5 days, 17 hours, 48 minutes, 45 seconds.
• To count from 1 to 18,213,443,325 would take you about one thousand, one hundred fifty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18213443325 cubic inches would be around 219.3 feet tall.

Recreational maths with 18213443325

• 18213443325 backwards is 52334431281
• The number of decimal digits it has is: 11
• The sum of 18213443325's digits is 36
• More coming soon!